NASA's Kepler spacecraft is proving itself to be a prolific planet hunter. Within just the first four months of data, astronomers have found evidence for more than 1,200 planetary candidates. Of those, 408 reside in systems containing two or more planets, and most of those look very different than our solar system.

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Collecting trips for Charles Doolittle Walcott (1850-1927), paleontologist and fourth Secretary of the Smithsonian Institution, were often a family affair. This 1910 photograph shows their […]

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This new research, which involved both surface and aerial surveys, has revealed an enormous aggregation of whale sharks—the largest ever reported—with up to 420 individuals off the coast of the Yucatán Peninsula in Mexico.

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Lookdown fish (Selene vomer) specimens in an x-ray exposure from the Smithsonian Traveling Exhibition Service exhibition “X-ray Vision: Fish Inside Out.” The collection of these […]

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Five billion years from now, our Milky Way galaxy will collide with the Andromeda galaxy. This will mark a moment of both destruction and creation. The galaxies will lose their separate identities as they merge into one. At the same time, cosmic clouds of gas and dust will smash together, triggering the birth of new stars.

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The National Zoo’s great cat program recently expanded with the arrival of two-and-a-half-year-old female Sumatran tiger, Damai, who is now out of quarantine and spending time outside in her exhibit where visitors can see her.

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The National Zoo has received a breeding pair of Asian small-clawed otters at Asia Trail for the first time. Mac, a three-year-old male from the Point Defiance Zoo in Tacoma, Wash., and Smidge, a five-year-old female from the Columbus Zoo in Ohio, arrived in April and are now in their exhibit.

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Any adventurer, hiker or backyard naturalist with a camera can help scientists survey and hopefully save the world’s amphibians thanks to a new social networking site that links “citizen scientists” with researchers tracking the decline of amphibians around the globe.

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Using the deepest X-ray image ever taken, astronomers found the first direct evidence that massive black holes were common in the early universe. This discovery from NASA's Chandra X-ray Observatory shows that very young black holes grew more aggressively than previously thought, in tandem with the growth of their host galaxies.

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Astronomers have discovered a new comet that they expect will be visible to the naked eye in early 2013.A preliminary orbit computed by the Minor Planet Center at the Smithsonian Astrophysical Observatory in Cambridge, Mass., shows that the comet will come within about 30 million miles of the sun in early 2013, about the same distance as Mercury. The comet will pose no danger to Earth.

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Astronomers have probed into the distant universe and discovered that galaxies display one of two distinct behaviors: they are either awake or asleep, actively forming stars or are not forming any new stars at all.

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Some--birds called wire-tailed manakins, residents of tropical forests in the Americas--are cooperators as well as competitors. They cooperate, forming alliances for a common cause.

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Researchers from the Smithsonian Institution and the University of Florida have announced the discovery of a bone fragment, approximately 13,000 years old, in Florida with an incised image of a mammoth or mastodon.

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A scientist from the Smithsonian Tropical Research Institute uses a pick to dislodge the fossil skull of an extinct toothed whale from sediments on the […]

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To prevent the loss of Inupiaq words for ice and the knowledge that it embodies, Igor Krupnik, ethnologist at the Arctic Studies Center of the National Museum of Natural History, and Wales native Winton Weyapuk Jr., recently compiled an illustrated dictionary of some 120 Kingikmiut words used in Wales to describe different types of ice.

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The Smithsonian’s National Zoo has a new addition: Rocky, a male whooping crane (Grus americana). This is the first time the Zoo has exhibited this species in 88 years.

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The Smithsonian’s National Museum of the American Indian is hosting a series of public satellite broadcasts featuring a multinational team of researchers, engineers and archaeologists who are working in Peru on the origins and engineering of the Inka Road of South America.

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"I nearly fell out of my chair at the telescope when I saw one star change its speed by a staggering 750 miles per second in just a few minutes," said Smithsonian astronomer Warren Brown, lead author of the paper reporting the find.

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The far-out planet, named 55 Cancri e, is twice as big as Earth and nearly nine times more massive. It is most likely composed of rocky material, similar to Earth, supplemented with light elements such as water and hydrogen gas. Scientists estimate the planet’s surface is much hotter than ours: close to 2,700 degrees Celsius.

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This is the first report of this invasive species in this area, and may indicate a recent range expansion of the snakehead population.

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Alaska’s pristine coastline is ripe for an influx of invasive marine species such as the European green crab and the rough periwinkle (an Atlantic sea snail) warns a new study by a team of scientists from the Smithsonian Environmental Research Center.

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This Jupiter-sized world reflects less than one percent of the light that falls on it, making it blacker than any planet or moon in our solar system.

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The Life and Morals of Jesus of Nazareth, more commonly known as the Jefferson bible, is a volume created by Thomas Jefferson containing passages he […]

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The 5.8-magnitude earthquake that shook the eastern United States on the afternoon of Tuesday, Aug. 23, caused minor damage to some of the Smithsonian's natural history collections. All public Smithsonian museums are open and have been determined safe for visitors and staff.

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What Google is attempting for books, the University of California, Berkeley, plans to do for the world's vertebrate specimens: store them in "the cloud."

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Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. Approximately 160 million light years from Earth, the pair is the nearest known such phenomenon.

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Invertebrates make up more than 80 percent of all known species and provide humans with a myriad of valuable services—from crop pollination to their use as food—yet they are overlooked and underrepresented in conservation decisions and on priority lists of threatened and endangered species.

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New research shows that some old stars might be held up by their rapid spins, and when they slow down, they explode as supernovae. Thousands of these "time bombs" could be scattered throughout our Galaxy.

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The Zoo’s Smithsonian Conservation Biology Institute in Front Royal, Va., is celebrating the recent hatching of two Micronesian kingfisher (Todiramphus c. cinnamominus) chicks, a female and male, born July 25 and Aug. 20, respectively.

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Now, for the first time scientists at the Smithsonian’s Museum Conservation Institute have developed a fast and reliable method to date silk.

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NASA's Kepler spacecraft has spotted a planet that alternately runs late and
early in its orbit because a second, "invisible" world is tugging on it.
This is the first definite detection of a previously unknown planet using
this method.

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Just as people use airplanes to fly overseas, marine snails may use birds to fly over land,” said Mark Torchin, staff scientist at the Smithsonian.

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Although cold and gaseous rather than a desert world, the newfound planet Kepler-16b is still the closest astronomers have come to discovering Luke Skywalker's home world of Tatooine.

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History and geology, not current ecology, are likely what has made tropical forests so variable from site to site.

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Two scientists at the Smithsonian Institution have been honored with the Presidential Early Career Award for Scientists and Engineers for their innovative research and scientific leadership. It is the highest honor bestowed by the U.S. government on science and engineering professionals in the early stages of their independent research careers.

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Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers at its 16,500-foot high desert plateau in northern Chile.

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The nature of dark matter is a mystery -- a mystery that a new study has only deepened.

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For three years—2001, 2002 and 2008—on Teopa Beach in Jalisco, Mexico, researchers examined the shell, neck and flippers of female turtles that had come out onto the beach to nest, collecting and carefully documenting all the organisms—known as epibionts—they found.

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A fragment of whale rib found in a North Carolina strip mine is offering scientists a rare glimpse at the interactions between prehistoric sharks and whales some 3- to 4- million years ago during the Pliocene.

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Smithsonian Anthropologist Bruce Smith shares the origins of some favorite Thanksgiving foods.

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Astronomers are confident the Cygnus X-1 system contains a black hole, and with these latest studies they have remarkably precise values of its mass, spin, and distance from Earth.

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Suzan Murray, chief veterinary medical officer at the Smithsonian’s National Zoological Park, recently returned from Hanoi, where she led a team of scientists training pathologists from Laos, Cambodia and Vietnam to better sample, recognize and detect wildlife diseases in hopes of preventing emerging pandemic disease.

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A member of one of the world’s most endangered species—the brown kiwi (Apteryx mantelli)—successfully hatched at the Smithsonian’s National Zoo’s Bird House Dec. 11 at 10:25 a.m. The egg was laid Oct. 1 and keepers began looking for signs of the chick hatching starting in early December. The chick is the sixth kiwi successfully hatched at the National Zoo.

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Both investigations were carried out through DNA analysis of fish tissue performed in a laboratory using a U.S. Food and Drug Administration protocol that originated largely at the Smithsonian’s National Museum of Natural History. DNA from the fish in question was identified by matching it against a database of DNA fish barcodes that again, has its origins at the Smithsonian.

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Astronomers using NASA's Kepler mission have detected two Earth-sized planets orbiting a distant star. This discovery marks a milestone in the hunt for alien worlds, since it brings scientists one step closer to their ultimate goal of finding a twin Earth.

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Small monkey groups may win territorial disputes against larger groups because some members of the larger, invading groups avoid aggressive encounters.

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As a coastal archaeologist and expert in prehistoric and historic settlement sites in the Chesapeake Bay region, Darrin Lowery of the Smithsonian’s National Museum of Natural History and University of Deleware, is carefully watching the effects of coastal erosion and rising sea levels on coastal archaeological sites.

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"X-Ray Vision: Fish Inside Out," is a new exhibition of striking x-rays that reveal the complex bone structure of fishes in the collections of the Smithsonian's National Museum of Natural History.

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Today, Marra is helping launch an Animal Mortality Monitoring Program in Africa intended to serve as an early warning system for emerging infectious diseases that can pass from animal populations into the human population.

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In fact, researchers have learned, the detached male pedipalps transfer more sperm faster after copulation is ended by the female rather than the male.

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